org.anhonesteffort.flock.AccountAndKeyRequiredActivity.java Source code

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Here is the source code for org.anhonesteffort.flock.AccountAndKeyRequiredActivity.java

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/*
 * *
 *  Copyright (C) 2014 Open Whisper Systems
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program. If not, see <http://www.gnu.org/licenses/>.
 * /
 */

package org.anhonesteffort.flock;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.google.common.base.Optional;
import org.anhonesteffort.flock.auth.DavAccount;
import org.anhonesteffort.flock.crypto.KeyHelper;
import org.anhonesteffort.flock.crypto.MasterCipher;

import java.io.IOException;

/**
 * Programmer: rhodey
 */
public class AccountAndKeyRequiredActivity extends Activity {

    private static final String TAG = "org.anhonesteffort.flock.AccountAndKeyRequiredActivity";

    protected DavAccount account;
    protected MasterCipher masterCipher;

    protected static DavAccount handleGetAccountOrFail(Activity activity) {
        Intent nextIntent;
        Optional<DavAccount> davAccount = DavAccountHelper.getAccount(activity);

        if (!davAccount.isPresent()) {
            if (!DavAccountHelper.isAccountRegistered(activity)) {
                Log.w(TAG, "dav account missing and account not registered, directing to setup activity");
                nextIntent = new Intent(activity, SetupActivity.class);
                nextIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            }

            else {
                Log.w(TAG, "dav account missing and account is registered, directing to correct password");
                nextIntent = new Intent(activity, CorrectPasswordActivity.class);
                nextIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                Toast.makeText(activity, R.string.error_password_unavailable_please_login, Toast.LENGTH_SHORT)
                        .show();
            }

            activity.startActivity(nextIntent);
            activity.finish();
            return null;
        }

        else
            return davAccount.get();
    }

    protected static MasterCipher handleGetMasterCipherOrFail(Activity activity) {
        try {

            Optional<MasterCipher> cipher = KeyHelper.getMasterCipher(activity);
            if (cipher.isPresent())
                return cipher.get();
            else {
                Log.e(TAG, "master cipher is missing, fuck");
                throw new IOException("Where did master chipher GO!?!?");
            }

        } catch (IOException e) {
            // TODO: import account from scratch...
            activity.finish();
            return null;
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        account = handleGetAccountOrFail(this);
        masterCipher = handleGetMasterCipherOrFail(this);
    }

    protected boolean accountAndKeyAvailable() {
        return account != null && masterCipher != null;
    }

}